T/F A case study may involve the comparison of a few individuals.
Indicate whether the statement is true or false
A design in which a series of measures are taken on two or more groups both before and after treatment is a(n) _____ design.
a. experimental
b. multiple-group time-series
c. nonequivalent control group posttest-only
d. nonequivalent control group pretest/posttest
The purpose of an experiment is to demonstrate that changes in one variable are responsible for causing changes in a second variable.
a. True
b. False
Indicate whether the statement is true or false
The degree to which the conclusions in your study would hold for other persons in other places and at other times is referred to as _______________.
Fill in the blank(s) with correct word
Naturalistic observation occurs mostly in laboratory settings.
Indicate whether the statement is true or false
A design in which at least two nonequivalent groups are measured after the treatment is a(n) _____ design.
a. experimental
b. correlational
c. nonequivalent control group posttest-only
d. nonequivalent control group pretest/posttest
If two variables are consistently related to one another, you can conclude that changes in one variable are causing changes to occur in the other.
a. True
b. False
Indicate whether the statement is true or false
The process of making an inference that the results observed in a sample would hold in the population of interest is referred to as _______________.
Fill in the blank(s) with correct word
A scatterplot showing the relationship between two variables
a. provides information about the data that is not reflected in the correlation coefficient.
b. can reveal problems with the data that may result in spuriously high or low correlation coefficients.
c. illustrates graphically both the strength and the direction of the relationship between them.
d. all of these
A design in which at least two nonequivalent groups are measured both before and after treatment is a(n) _____ design.
a. experimental
b. correlational
c. nonequivalent control group posttest-only
d. nonequivalent control group pretest/posttest
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